Is no need for primary key data

Is much more data independence than some other database models

Are explicit relationships among records

Are tables with many dimensions

Hash

Direct.

Sequential

All of the above.

The logical view

The physical view.

The external view.

All of the above.

The data dictionary is normally maintained by the database administrator.

Data elements in the database can be modified by changing the data dictionary.

The data dictionary contains the name and description of each data element.

The data dictionary is a tool used exclusively by the database administrator.

Data is dependent on programs

Data redundancy increases.

Data is integrated and can be accessed by multiple programs.

None of the above